diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index 764713b2a..c99d271e9 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -3213,7 +3213,9 @@ int SDL_GetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode *blendMode)
 
     CHECK_RENDERER_MAGIC(renderer, -1);
 
-    *blendMode = renderer->blendMode;
+    if (blendMode) {
+        *blendMode = renderer->blendMode;
+    }
     return 0;
 }